PartsTable
Technical Data Sheet
Download PDF

MS9559-18 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MS9559-18: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: DOUBLE HEXAGON W/ HOLE, head_height: 0.230 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.638 INCHES MINIMUM AND 0.678 INCHES MAXIMUM IN, screw_material: IRON ALLOY 660, fastener_length: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-348-8097, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MS9559-18
NSN: 5305-01-348-8097
FSC: 5305 — Screws
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
head_styleDOUBLE HEXAGON W/ HOLE
head_height0.230 INCHES NOMINAL IN
thread_class3A A
thread_length0.638 INCHES MINIMUM AND 0.678 INCHES MAXIMUM IN
screw_materialIRON ALLOY 660
fastener_length1.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.2188 INCHES NOMINAL IN
internal_drive_styleW/O INTERNAL DRIVE
shank_surface_finish32.0 MICROINCHES
thread_surface_finish32.0 MICROINCHES
nominal_thread_diameter0.164 INCHES IN
NSN5305-01-348-8097
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS9559-18 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
EXTENDED WASHER THICKNESS: 0.030 INCHES MINIMUM IN
•
HEAD HEIGHT: 0.230 INCHES NOMINAL IN
•
BEARING SURFACE OF HEAD SURFACE FINISH: 32.0 MICROINCHES
•
FASTENER LENGTH: 1.250 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS5731 ASSN STD SINGLE MATERIAL RESPONSE
•
EXTENDED WASHER DIAMETER: 0.312 INCHES NOMINAL IN
•
THREAD LENGTH: 0.638 INCHES MINIMUM AND 0.678 INCHES MAXIMUM IN
•
SHANK SURFACE FINISH: 32.0 MICROINCHES
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.030 INCHES MINIMUM IN
HEAD HEIGHT0.230 INCHES NOMINAL IN
BEARING SURFACE OF HEAD SURFACE FINISH32.0 MICROINCHES
FASTENER LENGTH1.250 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS5731 ASSN STD SINGLE MATERIAL RESPONSE
EXTENDED WASHER DIAMETER0.312 INCHES NOMINAL IN
THREAD LENGTH0.638 INCHES MINIMUM AND 0.678 INCHES MAXIMUM IN
SHANK SURFACE FINISH32.0 MICROINCHES
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEDOUBLE HEXAGON W/ HOLE
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy MS9559-18?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is MS9559-18?
MS9559-18 is a SCREW,MACHINE.
What is the NSN for MS9559-18?
MS9559-18 is cataloged in the U.S. Government catalog under NSN 5305-01-348-8097. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — MS9559-18